Astrodon 1.25'' Mounted NII Filter 3 nm FWHM

SKU: NII3_27RPRICE: 490.00

Astrodon 1.25'' Mounted NII Filter 3 nm FWHM Description

Imaging with narrowband filters has become very popular. It is an ideal tool to observe structure in emission nebula because it produces very high contrast, and is a wonderful means to enjoy our hobby even when the moon is up.

The Astrodon NII filter has become the preferred choice of imagers for the following important reasons: